Table 4.
Study 1: Mean numbers of ticks on treated dogs 48 h after treatment and 48 h after each re-infestation with Rhipicephalus sanguineus
| Day |
Mean numbers of ticks (48 h after re-infestation) |
||||
|---|---|---|---|---|---|
| Untreated controls (Group 1) |
Imidacloprid/ flumethrin (Group 2) |
Deltamethrin (Group 3) |
Fipronil/ (s)-methoprene (Group 4) |
Dinotefuran/ pyriproxyfen/ permethrin (Group 5) |
|
|
2* |
28.8 |
6.3 |
3.9 |
- |
- |
|
9 |
36.0 |
0.3 |
4.3 |
- |
- |
|
16 |
33.9 |
0.8 |
0.9 |
- |
- |
|
23 |
38.4 |
0.0 |
2.8 |
- |
- |
|
30 |
33.4 |
0.1 |
3.4 |
- |
- |
|
58 |
26.5 |
0.1 |
8.1 |
- |
- |
|
86 |
31.1 |
0.3 |
8.3 |
- |
- |
|
114 |
29.1 |
0.4 |
2.3 |
- |
- |
|
142 |
33.3 |
0.0 |
5.9 |
- |
- |
|
163 |
29.9 |
- |
- |
3.3* |
6.0* |
|
170 |
31.3 |
0.0 |
5.1 |
0.1 |
0.6 |
|
177 |
33.1 |
0.1 |
- |
0.5 |
1.5 |
|
184 |
32.8 |
0.1 |
- |
2.4 |
2.8 |
|
191 |
34.1 |
0.3 |
- |
2.5 |
5.5 |
|
198 |
23.6 |
0.0 |
- |
13.4 |
9.1 |
| 226 | 29.4 | 0.4 | - | - | - |
* Flea counts 48 h after treatment.